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If you can route a shorter belt and do away with the smog pump altogether I would go with that. Otherwise the pumps usually have the main housing with a cover plate bolted to it. You need to get access to the inside of the pump, remove the internals, so that it is not pumping all time.
The fuel returns from the filter housing rather than the heads. The fuel pump is controlled by a PCM-controlled relay through an old-fashioned Ford inertial switch and runs for 20 seconds at key on. If no rpm signal is evident after 20 seconds, the PCM shuts the fuel pump down.